#===============================================================================
# Copyright 2020-2024 Intel Corporation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#===============================================================================

file(GLOB SOURCES
    ${CMAKE_CURRENT_SOURCE_DIR}/*.hpp
    ${CMAKE_CURRENT_SOURCE_DIR}/*.cpp
    )

set(OBJ_LIB ${LIB_PACKAGE_NAME}_gpu)
add_library(${OBJ_LIB} OBJECT ${SOURCES})
set_property(GLOBAL APPEND PROPERTY DNNL_LIB_DEPS
    $<TARGET_OBJECTS:${OBJ_LIB}>)

add_subdirectory(generic)

if(DNNL_GPU_VENDOR STREQUAL "INTEL")
    add_definitions_with_host_compiler(-DNGEN_CPP11)
    add_definitions_with_host_compiler(-DNGEN_SAFE)
    add_definitions_with_host_compiler(-DNGEN_NEO_INTERFACE)
    add_definitions_with_host_compiler(-DNGEN_NO_OP_NAMES)
    add_definitions_with_host_compiler(-DNGEN_WINDOWS_COMPAT)
    add_subdirectory(intel)
endif()

if(DNNL_GPU_VENDOR STREQUAL "NVIDIA")
    add_subdirectory(nvidia)
endif()

if(DNNL_GPU_VENDOR STREQUAL "AMD")
    add_subdirectory(amd)
endif()

# check if warn_unused_result can be used in an alias
set(COMPILER_ALLOWS_ALIAS_ATTRIBUTES_SOURCE
"
    typedef enum { dnnl_status_success = 0, } dnnl_status_t;
    using status_t __attribute__((warn_unused_result)) = dnnl_status_t;
    int main() { return 0; }
")
include(CheckCXXSourceCompiles)
set(CMAKE_REQUIRED_FLAGS "-Werror")
check_cxx_source_compiles("${COMPILER_ALLOWS_ALIAS_ATTRIBUTES_SOURCE}" COMPILER_ALLOWS_ALIAS_ATTRIBUTES)
unset(CMAKE_REQUIRED_FLAGS)

if(${COMPILER_ALLOWS_ALIAS_ATTRIBUTES})
    if(DNNL_GPU_VENDOR STREQUAL "INTEL")
        add_definitions_with_host_compiler(-DDNNL_STATUS_NODISCARD)
    endif()
endif()

if(DNNL_DISABLE_GPU_REF_KERNELS)
    message(STATUS "GPU Compute reference kernels are disabled")
else()
    message(STATUS "GPU Compute reference kernels are enabled")
endif()
